CA1108864A - Direct-reduction process carried out in a rotary kiln - Google Patents

Direct-reduction process carried out in a rotary kiln

Info

Publication number
CA1108864A
CA1108864A CA302,286A CA302286A CA1108864A CA 1108864 A CA1108864 A CA 1108864A CA 302286 A CA302286 A CA 302286A CA 1108864 A CA1108864 A CA 1108864A
Authority
CA
Canada
Prior art keywords
kiln
zone
oxygen
heating
injected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA302,286A
Other languages
English (en)
French (fr)
Inventor
Gerhard Reuter
Wolfram Schnabel
Harry Serbent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metallgesellschaft AG filed Critical Metallgesellschaft AG
Application granted granted Critical
Publication of CA1108864A publication Critical patent/CA1108864A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Manufacture Of Iron (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA302,286A 1977-04-30 1978-04-28 Direct-reduction process carried out in a rotary kiln Expired CA1108864A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2719422.5 1977-04-30
DE2719422A DE2719422C2 (de) 1977-04-30 1977-04-30 Verfahren zur Direktreduktion von Eisenoxyde enthaltenden Materialien zu Schwammeisen im Drehrohrofen

Publications (1)

Publication Number Publication Date
CA1108864A true CA1108864A (en) 1981-09-15

Family

ID=6007756

Family Applications (1)

Application Number Title Priority Date Filing Date
CA302,286A Expired CA1108864A (en) 1977-04-30 1978-04-28 Direct-reduction process carried out in a rotary kiln

Country Status (19)

Country Link
US (1) US4179280A (de)
JP (1) JPS6043883B2 (de)
AT (1) AT363970B (de)
AU (1) AU514282B2 (de)
BR (1) BR7802698A (de)
CA (1) CA1108864A (de)
DE (1) DE2719422C2 (de)
ES (1) ES469236A1 (de)
FR (1) FR2388885A1 (de)
GB (1) GB1558556A (de)
GR (1) GR66392B (de)
IN (1) IN145873B (de)
IT (1) IT1094502B (de)
LU (1) LU79562A1 (de)
NO (1) NO148857C (de)
NZ (1) NZ186818A (de)
PH (1) PH14213A (de)
TR (1) TR20818A (de)
ZA (1) ZA781785B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208701A1 (de) * 1982-03-11 1983-09-22 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur direktreduktion von eisenoxidhaltigen materialien zu eisenschwamm im drehrohrofen
AU579193B2 (en) * 1985-10-07 1988-11-17 Sord International Ag Direct reduction kiln
JPH0277486U (de) * 1988-12-05 1990-06-14
ES2130974B1 (es) * 1997-01-29 1999-12-16 Fundacion Inasmet Sistema para la mejora energetica en un horno rotativo de fusion por oxicombustion para la fabricacion de fundicion de hierro.
CN103757168B (zh) * 2013-12-31 2015-10-07 李苏翔 一种炼铁回转窑及其炼铁工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829042A (en) * 1956-01-09 1958-04-01 Nat Lead Co Furnacing process
DE1032550B (de) * 1956-03-29 1958-06-19 Eisen & Stahlind Ag Verfahren zur Reduktion von Eisenoxyden und anderen Metalloxyden im Drehrohrofen
DE1221654B (de) * 1961-01-31 1966-07-28 Rheinstahl Ind Planung G M B H Verfahren zur Reduktion von Eisenerzen in Drehoefen mit gasfoermigen oder fluessigenReduktionsmitteln
US3206299A (en) * 1961-10-18 1965-09-14 Independence Foundation Dense-bed, rotary, kiln process and apparatus for pretreatment of a metallurgical charge
US3170786A (en) * 1962-02-02 1965-02-23 R N Corp Rotary kiln processing of chemically reactive materials
US3206300A (en) * 1962-12-31 1965-09-14 Independence Foundation Process for reducing ore
US3182980A (en) * 1963-04-22 1965-05-11 Allis Chalmers Mfg Co Rotary kiln
US3180631A (en) * 1963-06-27 1965-04-27 R N Corp Integrated charring and ore reduction apparatus
DE1226126B (de) * 1963-06-28 1966-10-06 Rheinstahl Ind Planung G M B H Verfahren zur Reduktion von Eisenerzen im Drehrohrofen mit fluessigen oder gasfoermigen Kohlenwasserstoffen und Vorrichtung zur Durchfuehrung dieses Verfahrens
US3753682A (en) * 1970-09-18 1973-08-21 Allis Chalmers Mfg Co Ported rotary kiln process for direct reduction of oxides of metallic minerals
JPS5137248B2 (de) * 1971-08-12 1976-10-14
US3754890A (en) * 1971-09-17 1973-08-28 Harsco Corp Process for producing metallized agglomerates and recovery of non ferrous values from waste materials
DE2241168A1 (de) * 1972-08-22 1974-03-28 Metallgesellschaft Ag Verfahren zur erzeugung von schwammeisen
DE2501182A1 (de) * 1975-01-14 1976-07-15 Metallgesellschaft Ag Verfahren zur direktreduktion von eisenoxydhaltigen materialien im drehrohrofen

Also Published As

Publication number Publication date
ATA244578A (de) 1981-02-15
IN145873B (de) 1979-01-06
GB1558556A (en) 1980-01-03
AU514282B2 (en) 1981-01-29
TR20818A (tr) 1982-09-16
US4179280A (en) 1979-12-18
JPS6043883B2 (ja) 1985-10-01
NO781443L (no) 1978-10-31
DE2719422C2 (de) 1982-04-29
ZA781785B (en) 1979-03-28
BR7802698A (pt) 1978-12-19
NZ186818A (en) 1980-05-27
NO148857C (no) 1983-12-28
DE2719422A1 (de) 1978-11-09
FR2388885B1 (de) 1984-06-08
AT363970B (de) 1981-09-10
PH14213A (en) 1981-04-02
GR66392B (de) 1981-03-20
FR2388885A1 (fr) 1978-11-24
ES469236A1 (es) 1979-01-01
AU3514778A (en) 1979-10-25
LU79562A1 (de) 1978-11-03
JPS53140215A (en) 1978-12-07
IT1094502B (it) 1985-08-02
IT7822537A0 (it) 1978-04-20
NO148857B (no) 1983-09-19

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Legal Events

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